Abstract #2505
Post-Contrast Inversion Recovery Self-Navigated 3D Whole-Heart MRI for Combined Coronary Tree and Scar Tissue Visualization
Davide Piccini 1,2 , Simone Coppo 2 , Tobias Rutz 3 , Giulia Ginami 2 , Jean-Baptiste Ledoux 4 , Mathieu Gerber 4 , Juerg Schwitter 3 , and Matthias Stuber 2
1
Advanced Clinical Imaging Technology,
Siemens Healthcare IM BM PI, Lausanne, Switzerland,
2
Department
of Radiology, University Hospital (CHUV) and University
of Lausanne (UNIL) / Center for Biomedical Imaging (CIBM),
Lausanne, Switzerland,
3
Division
of Cardiology and Cardiac MR Center, University Hospital
of Lausanne (CHUV), Lausanne, Switzerland,
4
Department
of Radiology, University Hospital of Lausanne (CHUV),
Lausanne, Switzerland
A respiratory self-navigated 3D whole-heart technique
was extended to inversion-recovery for 3D late
gadolinium enhancement (LGE) imaging and integrated into
a dedicated protocol where the same sequence was
acquired also pre-contrast and during slow infusion,
with T2 preparation, for comparison. Signal and contrast
to noise, as well as vessel length and sharpness
increased in the slow infusion datasets, while the 3D
LGE datasets allow for combined coronary tree and scar
tissue visualization in one single acquisition. The 3D
LGE dataset can also be reformatted for color-coded 3D
visualization and might be useful for planning ablation
as part of re-synchronization procedures.
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